20473536548 has 12 divisors (see below), whose sum is σ = 35841836940. Its totient is φ = 10233011712.

The previous prime is 20473536527. The next prime is 20473536607. The reversal of 20473536548 is 84563537402.

It can be written as a sum of positive squares in 2 ways, for example, as 19207742464 + 1265794084 = 138592^2 + 35578^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926861 + ... + 948692.

It is an arithmetic number, because the mean of its divisors is an integer number (2986819745).

Almost surely, 2^20473536548 is an apocalyptic number.

It is an amenable number.

20473536548 is a deficient number, since it is larger than the sum of its proper divisors (15368300392).

20473536548 is a wasteful number, since it uses less digits than its factorization.

20473536548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878286 (or 1878284 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 20473536548 in words is "twenty billion, four hundred seventy-three million, five hundred thirty-six thousand, five hundred forty-eight".